package fsmi.servlets;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import fsmi.dao.HomeworkDB;
import fsmi.daoservice.HomeworkDAO;
import fsmi.model.HomeworkListBean;

/**
 * Servlet implementation class Homework
 */
@WebServlet("/Homework/*")
public class Homework extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public Homework() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		HttpSession session = request.getSession(false);
		String userID = null;
		if (session != null) {
			userID = (String) session.getAttribute("userID");
		}
		String reqUrl = request.getRequestURL().toString();
		int place = reqUrl.lastIndexOf("/") + 1;
		String cid = reqUrl.substring(place);
		HomeworkDAO db = new HomeworkDB();
		HomeworkListBean hlist = db.getHomeworkList(userID, cid);
		if (session != null && hlist != null) {
			session.setAttribute("homeworkList", hlist);
		}
		response.setContentType("text/html;charset=utf-8");
		RequestDispatcher dispatcher = request.getRequestDispatcher("/view/homeworkList.jsp");
		dispatcher.forward(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
